Millbrae Weather in May
Millbrae in May sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 11°C (52°F). With just 7.9 mm (0.3 in) of rainfall on average, rain is rarely an issue.
Rainfall in Millbrae in May
Typically around 3 days of rainfall are expected, averaging 7.9 mm (0.3 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in Millbrae in May
May in Millbrae is generally perfect, with days reaching 20°C (68°F) and nights settling around 11°C (52°F). Conditions are often most pleasant around the middle of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Millbrae in May
The days are predominantly sunny, with an estimated total of around 324 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Millbrae in May
Wind speeds average 6 m/s (12 knots) during May. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.
Average water temperature in May
The water temperature is 13°C (55°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for Millbrae.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Millbrae's climate page.
Millbrae Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Water Temperature
13°C (55°F) *
Chance of Rain
9%
Precipitation
7.9 mm (0.3 in)
Rainy days
3 days
Humidity
72% *
Windspeed
6 m/s (12 knots) *
Sunshine
324 hours *
Percentage Sunshine
73% *
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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tolerable
unpleasant
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What to Wear in Millbrae in May
For Millbrae in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. With water temperatures around 13°C (55°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Millbrae in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Millbrae's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Millbrae climate overview or explore weather in the United States of America.
